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Mary Malone — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Malone across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Malone |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | New Worker |
| Township / Ward | Phila |
| Est. Birth Year | ~1922 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Malone | Daughter | — | 22 | ~1918 |
| Mary Malone | Daughter | — | 18 | ~1922 |
| Dorothea Malone | Daughter | — | 10 | ~1930 |
| George Malone | Head | — | 53 | ~1887 |
| John Malone | Son | — | 13 | ~1927 |
| George Malone | Son | — | 19 | ~1921 |
| Joseph Malone | Son | — | 7 | ~1933 |
| Katherine Malone | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Melone |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Student |
| Industry | School |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Malone |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | New Worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Malone across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Malone
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
John Malone
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Malone
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Malone
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea Malone
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Malone
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03754-00166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hedwig Schwarzkopf | 70 | Mother | — | Penna |
| 42 | James Lyons | 38 | Head | Cutter | Scotland |
| 43 | Sabina S. Lyons | 30 | Wife | — | Penna |
| 44 | T. R. Kaplan | 50 | Lodger | — | Russia |
| 45 | Harvey M. Clymer | 44 | Head | Attendance Officer | Penna |
| 46 | Louise Clymer | 33 | Wife | Executive | Penna |
| 47 | Ellie Clymer | 3 | Daughter | 0 | — |
| 48 | W. Benjamin Mills | 45 | Head | Clerk | Penna |
| 49 | Elsie M. Mills | 42 | Wife | Clerk | Penna |
| 50 | Marion Hamilton | 43 | Head | Salesgirl | Penna |
| 51 | Charles E. Hamilton | 11 | Son | — | Penna |
| 52 | Theodore H. Morgan | 66 | Head | Inspector | Penna |
| 53 | Rebecca H. C. Morgan | 60 | Wife | — | Penna |
| 54 | Elizabeth C. Morgan | 31 | Daughter | Teacher | Penna |
| 55 | Cassell Graham | 70 | Head | Engineer | Penna |
| 56 | Pauline Graham | 68 | Wife | — | Penna |
| 57 | Caroline M. Graham | 35 | Daughter | Clerk | Penna |
| 58 | W. Hayden Lowery | 57 | Head | Electrical Engineer | Penna |
| 59 | Breda Lowery | 54 | Wife | — | Penna |
| 60 | Rebecca Dohan | 87 | Mother-in-law | — | Penna |
| 61 | George Malone | 53 | Head | Electrician | Ireland |
| 62 | Katherine Malone | 46 | Wife | — | Penna |
| 63 | Katherine Malone | 22 | Daughter | File Clerk | Penna |
| 64 | George Malone | 19 | Son | Attendant | Penna |
| 65 | Mary Malone THIS PERSON | 18 | Daughter | New Worker | Penna |
| 66 | John Malone | 13 | Son | — | Penna |
| 67 | Dorothea Malone | 10 | Daughter | — | Penna |
| 68 | Joseph Malone | 7 | Son | — | Penna |
| 69 | A. L. Moore | 45 | Head | Clerk | Penna |
| 70 | Frances Moore | 45 | Wife | — | Penna |
| 71 | Bertha Day | 52 | Housekeeper | Housekeeper | Penna |
| 72 | John J. Cusack | 77 | Head | — | Ireland |
| 73 | Mary Cusack | 77 | Wife | — | Ireland |
| 74 | Thomas Cusack | 34 | Son | Clerk | Penna |
| 75 | Ada M. Vollmer | 56 | Head | — | Phila. |
| 76 | Edna M. Broom | 45 | Head | — | Penna |
| 77 | Dorothy Broom | 25 | Daughter | Saleslady | Penna |
| 78 | Ellie D. Broom | 23 | Daughter | Stenographer | Penna |
| 79 | Walter Lufkin | 52 | Head | Contractor | Delaware |
| 80 | Eliz. A. Lufkin | 50 | Wife | — | Penna |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)